Istorii͡a︡ na sŭobshtenii͡a︡ta v Dobrichkii͡a︡ kraĭ
By: Georgi Topalov.
Publisher: Informat͡s︡ionno-izdatelski t͡s︡entŭr "Impuls"
Published: 1995
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 221
Subjects: Postal service -- Bulgaria -- Dobrich (Oblast) -- History.; Communication and traffic -- Bulgaria -- Dobrich (Oblast) -- History.
Notes: Includes bibliographical references.